| Month | NOAA Normals (in) | PRISM Normals (in) | Diff (in) |
|---|---|---|---|
| Jan | 2.29 | 2.21 | 0.08 |
| Feb | 1.88 | 1.87 | 0.01 |
| Mar | 2.60 | 2.65 | -0.05 |
| Apr | 2.51 | 2.50 | 0.01 |
| May | 4.25 | 4.27 | -0.02 |
| Jun | 3.51 | 3.67 | -0.16 |
| Jul | 2.42 | 2.64 | -0.22 |
| Aug | 2.45 | 2.53 | -0.08 |
| Sep | 3.65 | 3.88 | -0.23 |
| Oct | 4.02 | 4.24 | -0.22 |
| Nov | 2.72 | 2.73 | -0.01 |
| Dec | 2.23 | 2.34 | -0.11 |
34.53 | 35.53 | -1.00 |